Radiotherapy is the use of X-rays and similar rays to treat disease. It can cure some cancers and reduce the chances of it coming back. Many people with cancer have radiotherapy as part of their treatment. This can be given either externally outside the body or internally. It works by destroying the cancer cells in the treated area. Although normal cells are also sometimes damaged by the radiotherapy, they can repair themselves more effectively.
Some side affects include:
- Loss of appetite/ weight loss
- Changes is in your blood
- Skin reaction (like sunburn)
- Hair - partial hair loss in the treated area
- Pain when urinating, and
- Pain around back passage.